cpython: 2729823525fe (original) (raw)

Mercurial > cpython

changeset 90324:2729823525fe 3.4

asyncio.tasks: Make sure CoroWrapper.send proxies one argument correctly Issue #21209. [#21209]

Yury Selivanov yselivanov@sprymix.com
date	Tue, 15 Apr 2014 12:01:16 -0400
parents	4c65f8641d89
children	4ab2d8fac52b ebb9595af548
files	Lib/asyncio/tasks.py Lib/test/test_asyncio/test_tasks.py
diffstat	2 files changed, 20 insertions(+), 0 deletions(-)[+] [-] Lib/asyncio/tasks.py 2 Lib/test/test_asyncio/test_tasks.py 18

line wrap: on

line diff

--- a/Lib/asyncio/tasks.py +++ b/Lib/asyncio/tasks.py @@ -53,6 +53,8 @@ class CoroWrapper: # We use *value because of a bug in CPythons prior # to 3.4.1. See issue #21209 and test_yield_from_corowrapper # for details. This workaround should be removed in 3.5.0.

```
   if len(value) == 1:[](#l1.7)
```

       value = value[0][](#l1.8)
   return self.gen.send(value)[](#l1.9)

def throw(self, exc):

--- a/Lib/test/test_asyncio/test_tasks.py +++ b/Lib/test/test_asyncio/test_tasks.py @@ -1410,6 +1410,24 @@ class TaskTests(unittest.TestCase): finally: asyncio.tasks._DEBUG = old_debug

def test_yield_from_corowrapper_send(self):
```
   def foo():[](#l2.8)
```
```
       a = yield[](#l2.9)
```
```
       return a[](#l2.10)
```

```
   def call(arg):[](#l2.12)
```

       cw = asyncio.tasks.CoroWrapper(foo(), foo)[](#l2.13)

```
       cw.send(None)[](#l2.14)
```
```
       try:[](#l2.15)
```
```
           cw.send(arg)[](#l2.16)
```

       except StopIteration as ex:[](#l2.17)

```
           return ex.args[0][](#l2.18)
```
```
       else:[](#l2.19)
```

           raise AssertionError('StopIteration was expected')[](#l2.20)

   self.assertEqual(call((1, 2)), (1, 2))[](#l2.22)

   self.assertEqual(call('spam'), 'spam')[](#l2.23)

+ class GatherTestsBase: